The exact message format ( setLicenseKey , action , etc.) depends on the version of the IE Tab extension you’re using. Check the vendor’s docs ( README.md in the official repo) for the latest API contract.
Maintaining IE Tab is . The developers have to reverse-engineer Chrome’s security updates (which intentionally try to block NPAPI plugins) and maintain a separate rendering engine. Every time Chrome updates (every 4 weeks), the IE Tab team must scramble to patch their extension. Ie Tab License Key Github
IE Tab is a browser extension developed primarily by . It comes in two versions: The exact message format ( setLicenseKey , action , etc